Day in Pictures, March 14, 2014

March 14, 2014 |By Mike Moffitt

Nasa/AFP/Getty Images

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Mars' frosty dunes: A NASA image shows a sand dune field in a Southern Highlands crater on Mars. The
image was acquired when the sun was just five degrees above the horizon, resulting in
the dark shadows. The bright patches - bluish in enhanced color - are due to seasonal
frost.

Nasa/AFP/Getty Images

7of17

Mars' frosty dunes: A NASA image shows a sand dune field in a Southern Highlands crater on Mars. The
image was acquired when the sun was just five degrees above the horizon, resulting in
the dark shadows. The bright patches - bluish in enhanced color - are due to seasonal
frost.